the graciosa project 1

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The Graciosa Project Adios supertankers, ahoy energy autonomy

Basel, 21 February 2012Martin Röder

Inhabitants: 4500

Area: 67 km2

Peak load: ~ 3 MW

Electricity consumption: ~14 GWh

Energy supply: Fossil fuels (85%)Wind power (15%)

Local Utility: EDA

Graciosa Island (Azores)Graciosa Island (Azores)

Graciosa’s current power system

Power station 4200 kW

(Fuel consumption ~ 4 Mio. l/a)

Adios supertankers, ahoy energy autonomy

Project Graciosa: 70-80% renewables

Island Test SiteTo address technical issues in island projects, we set up the Island Test Site to simulate up to 100% renewable energy systems. The grid based system can be configured to use wind, irradiation and load measurements from anywhere.

Potential for wind and solar Potential for wind and solar energyenergy

daily average 3.3 kWh/m2d

estim. yield 1.3 MWh/kW

Wind speed @ 15 m > 9 m/sestim. yield 3.0 MWh/kW

7

02468

101214

J F M A M J J A S O N D

Month

m/s

0

1

2

3

4

5

6

J F M A M J J A S O N D

Month

kW

h/m

2-d

ay Solar radiation

Wind

Expected Results:

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